"The reclassification of nearly 1 million acres of land around the Grand Canyon to prevent new mining claims comes with a fundamental change in how the U.S. Forest Service does business with mining companies."

Should Mt. St. Helens, which erupted almosty 30 years ago, be a National Park? There is a debate over whether the land should be used for recreation or to study how landscapes recover from violent disturbance.

The US and Mexico are joining forces to enhance conservation in the area around Big Bend, in Texas, and El Carmen in the northern Mexican states of Chihuahua and Coahuila.

"Water managers and the White House signed a crucial contract Thursday that promises a much-needed infusion of federal dollars for the Everglades."

"U.S. EPA Administrator Lisa Jackson has sided with environmental groups on several challenges contending that permits issued to a Tennessee Valley Authority coal-fired power plant failed to properly account for air pollution."

"A federal judge let stand a Bush administration rule that makes it easier for companies involved in mountaintop coal mining to dump debris near streams."

"A U.S. court on Wednesday blocked an attempt by the Obama administration to overturn a Bush administration rule that made it easier for coal mining companies to dump mountaintop debris into valley streams."

"The Obama administration late last week quietly approved one of six major mountaintop removal permits that were said to be undergoing close scrutiny by the U.S. Environmental Protection Agency."

"Part of the Nevada Test Site that hosted nuclear blasts in the past has been closed to avoid a costly cleanup of contaminated soils."